package cn.bid.web;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import cn.bid.dao.role.RoleDao;
import cn.bid.entity.Role;

@WebServlet("/rolesajax")
public class RolesAjaxServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public RolesAjaxServlet() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	RoleDao rdao = new RoleDao();

	public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		response.setContentType("application/json;charset=utf-8");
		List<Role> list = rdao.search();
		StringBuilder b = new StringBuilder();
		b.append("[");
		for (int i = 0; i < list.size(); i++) {
			Role r = list.get(i);
			b.append("{");
			b.append("\"id\":" + r.getId());
			b.append(",\"name\":\"" + r.getName() + "\"");
			b.append(",\"remark\":\"" + r.getRemark() + "\"");
			b.append("}");
			if (i < list.size() - 1)
				b.append(",");
		}
		b.append("]");
		response.getWriter().print(b);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to
	 * post.
	 * 
	 * @param request
	 *            the request send by the client to the server
	 * @param response
	 *            the response send by the server to the client
	 * @throws ServletException
	 *             if an error occurred
	 * @throws IOException
	 *             if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
		out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
		out.println("<HTML>");
		out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");
		out.println("  <BODY>");
		out.print("    This is ");
		out.print(this.getClass());
		out.println(", using the POST method");
		out.println("  </BODY>");
		out.println("</HTML>");
		out.flush();
		out.close();
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException
	 *             if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}
